Home / 1,115,983.95-1,540,178.28-632,497.20

Finding the Fourth Proportional to 1,115,983.95, 1,540,178.28 and 632,497.20

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Solution

The fourth proportional to 1,115,983.95, 1,540,178.28 and 632,497.20 is: 872,914.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,983.95 : 1,540,178.28 = 632,497.20 : x
  2. Step 2: Convert to fraction form
    1,115,983.95/1,540,178.28 = 632,497.20/x
  3. Step 3: Cross multiply
    1,115,983.95x = 1,540,178.28 × 632,497.20
  4. Step 4: Simplify right side
    1,115,983.95x = 974,158,449,600.82
  5. Step 5: Solve for x
    x = 974,158,449,600.82/1,115,983.95
  6. Step 6: Final answer
    x = 872,914.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.